US Patent: 1,752,843 - Clutch


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US Patent: 1,752,843

Clutch

Patentee:

Paul R. Hahnemann (exact or similar names) - Newark, NJ

USPTO Classifications:

Tool Categories:

industrial machines : industrial machine mechanisms : industrial machine clutches

metalworking machines : metalworking machine mechanisms : metalworking machine clutches

Assignees:

Niagara Machine & Tool Works - Buffalo, NY

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Oct. 05, 1928
Granted:	Apr. 01, 1930

Patent Pictures:

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Vintage Machinery entry for Zeh & Hahnemann Co.
Vintage Machinery entry for Niagara Machine & Tool Works

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